Nike Air Tech Challenge II QS - White / Racer Pink / Light Smoke Grey
Size Charts
Nike Footwear Size Chart
inches
cm
| US (M) | US (W) | US KIDS | UK | EU | JP | Heel-toe measurement |
| 3.5 | 5 | 3.5Y | 3 | 35.5 | 22.5 | 8.5 |
| 4 | 5.5 | 4Y | 3.5 | 36 | 23 | 8.8 |
| 4.5 | 6 | 4.5Y | 4 | 36.5 | 23.5 | 8.9 |
| 5 | 6.5 | 5Y | 4.5 | 37.5 | 23.5 | 9.1 |
| 5.5 | 7 | 5.5Y | 5 | 38 | 24 | 9.3 |
| 6 | 7.5 | 6Y | 5.5 | 38.5 | 24 | 9.4 |
| 6.5 | 8 | 6.5Y | 6 | 39 | 24.5 | 9.5 |
| 7 | 8.5 | 7Y | 6 | 40 | 25 | 9.7 |
| 7.5 | 9 | 7.5Y | 6.5 | 40.5 | 25.5 | 9.9 |
| 8 | 9.5 | 8Y | 7 | 41 | 26 | 9.9 |
| 8.5 | 10 | 8.5Y | 7.5 | 42 | 26.5 | 10.1 |
| 9 | 10.5 | 9Y | 8 | 42.5 | 27 | 10.3 |
| 9.5 | 11 | 9.5Y | 8.5 | 43 | 27.5 | 10.4 |
| 10 | 11.5 | 10Y | 9 | 44 | 28 | 10.6 |
| 10.5 | 12 | 10.5Y | 9.5 | 44.5 | 28.5 | 10.8 |
| 11 | 12.5 | -- | 10 | 45 | 29 | 10.9 |
| 11.5 | 13 | -- | 10.5 | 45.5 | 29.5 | 11.1 |
| 12 | 13.5 | -- | 11 | 46 | 30 | 11.3 |
| 12.5 | 14 | -- | 11.5 | 47 | 30.5 | 11.5 |
| 13 | 14.5 | -- | 12 | 47.5 | 31 | 11.7 |
| 13.5 | 15 | -- | 12.5 | 48 | 31.5 | 11.8 |
| 14 | 15.5 | -- | 13 | 48.5 | 32 | 12 |
| 14.5 | 16 | -- | 13.5 | 49 | 32.5 | 12.2 |
| 15 | 16.5 | -- | 14 | 49.5 | 33 | 12.3 |
Not sure what is the right shoe size for you?
The following instructions will help you choose.
- Take a piece of paper and a pen or pencil
- Stand with your heels against the wall
- Stand upright, placing your weight on both feet
- Get someone else to draw a line be the tip of your toe
- Measure the length from the wall to the line
- Add 3-5 mm to the measured length (important for toe space)
- Compare the foot length with size chart
